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Marco Island weather by month

What a typical year looks like in Marco Island, Florida: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Marco Island, 2 km from Marco Island; records cover 2002–2026.

Today’s Marco Island forecast

The year at a glance

January: typical high 73.9°F, low 54.9°F, precipitation 2.5 in. February: typical high 76.2°F, low 57.1°F, precipitation 1.91 in. March: typical high 78.9°F, low 59.9°F, precipitation 2.05 in. April: typical high 83.2°F, low 64.9°F, precipitation 2.48 in. May: typical high 87.5°F, low 69.7°F, precipitation 3.38 in. June: typical high 90.1°F, low 74.2°F, precipitation 8.36 in. July: typical high 91.1°F, low 75.8°F, precipitation 6.6 in. August: typical high 91.5°F, low 76.2°F, precipitation 9.16 in. September: typical high 90°F, low 75.2°F, precipitation 9.92 in. October: typical high 86.9°F, low 70.7°F, precipitation 3.21 in. November: typical high 80.5°F, low 63.4°F, precipitation 2.02 in. December: typical high 76.8°F, low 58.6°F, precipitation 1.71 in.20°−7°30°−1°40°4°50°10°60°16°70°21°80°27°90°32°100°38°110°43°74°23°55°13°Jan76°25°57°14°Feb79°26°60°16°Mar83°28°65°18°Apr88°31°70°21°May90°32°74°23°Jun91°33°76°24°Jul92°33°76°25°Aug90°32°75°24°Sep87°31°71°22°Oct81°27°63°17°Nov77°25°59°15°DecPrecipitation
Bars: typical low to high (official normals, 1991–2020) Record high Record low
Precipitation a year
53.3 in1354 mm
Snow a year
Rare
Last spring freeze
Rare
First fall freeze
Rare
Heating degree days
281
Cooling degree days
4,058

Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are 40°4° (heating, 99%) and 95°35° (cooling, 1%).

Month by month

Marco Island in January

Highs average 74°23° and lows 55°13°, with 2.5 in64 mm of precipitation in a typical January.

Record high
86°30° (2013)
Record low
28°−2° (2010)
Heating degree days
103
Cooling degree days
85

Marco Island in February

Highs average 76°25° and lows 57°14°, with 1.9 in49 mm of precipitation in a typical February.

Record high
87°31° (2018)
Record low
31°−1° (2009)
Heating degree days
60
Cooling degree days
107

Marco Island in March

Highs average 79°26° and lows 60°16°, with 2.1 in52 mm of precipitation in a typical March.

Record high
88°31° (2015)
Record low
39°4° (2010)
Heating degree days
31
Cooling degree days
168

Marco Island in April

Highs average 83°28° and lows 65°18°, with 2.5 in63 mm of precipitation in a typical April.

Record high
93°34° (2015)
Record low
47°8° (2003)
Heating degree days
5
Cooling degree days
276

Marco Island in May

Highs average 88°31° and lows 70°21°, with 3.4 in86 mm of precipitation in a typical May.

Record high
95°35° (2017)
Record low
58°14° (2006)
Heating degree days
0
Cooling degree days
422

Marco Island in June

Highs average 90°32° and lows 74°23°, with 8.4 in212 mm of precipitation in a typical June.

Record high
97°36° (2011)
Record low
66°19° (2007)
Heating degree days
0
Cooling degree days
514

Marco Island in July

Highs average 91°33° and lows 76°24°, with 6.6 in168 mm of precipitation in a typical July.

Record high
98°37° (2011)
Record low
69°21° (2008)
Heating degree days
0
Cooling degree days
572

Marco Island in August

Highs average 92°33° and lows 76°25°, with 9.2 in233 mm of precipitation in a typical August.

Record high
97°36° (2014)
Record low
67°19° (2010)
Heating degree days
0
Cooling degree days
584

Marco Island in September

Highs average 90°32° and lows 75°24°, with 9.9 in252 mm of precipitation in a typical September.

Record high
96°36° (2018)
Record low
65°18° (2022)
Heating degree days
0
Cooling degree days
528

Marco Island in OctoberThis month

Highs average 87°31° and lows 71°22°, with 3.2 in82 mm of precipitation in a typical October.

Record high
94°34° (2022)
Record low
45°7° (2008)
Heating degree days
2
Cooling degree days
429

Marco Island in November

Highs average 81°27° and lows 63°17°, with 2 in51 mm of precipitation in a typical November.

Record high
92°33° (2015)
Record low
42°6° (2008)
Heating degree days
17
Cooling degree days
226

Marco Island in December

Highs average 77°25° and lows 59°15°, with 1.7 in43 mm of precipitation in a typical December.

Record high
87°31° (2013)
Record low
32°0° (2010)
Heating degree days
63
Cooling degree days
147